Counting atoms – Normal Welcome to Counting atoms practice - NormalHow many O atom(s) is(are) in (NH4)2CO3? How many Na atom(s) is(are) in Na3[Ag(S2O3)2] ? How many N atom(s) is(are) in [Ag(NH3)2]Cl ? How many O atom(s) is(are) in Na2Cr2O7? How many N atom(s) is(are) in (NH4)2MoO4? All done? Click submit to receive your results on the next page. Time's up